CN113504079A - Sampling device and sampling method for food detection - Google Patents
Sampling device and sampling method for food detection Download PDFInfo
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- CN113504079A CN113504079A CN202110615803.8A CN202110615803A CN113504079A CN 113504079 A CN113504079 A CN 113504079A CN 202110615803 A CN202110615803 A CN 202110615803A CN 113504079 A CN113504079 A CN 113504079A
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- 238000005070 sampling Methods 0.000 title claims abstract description 126
- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 235000013305 food Nutrition 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000033001 locomotion Effects 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 235000021056 liquid food Nutrition 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
- G01N2001/1427—Positive displacement, piston, peristaltic
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a sampling device and a sampling method for food detection, relates to the technical field of food detection, and mainly aims to solve the problem that the sampling depth of the existing sampling device is single; including mounting bracket, sample cup and sampling unit, the sampling unit includes: a sampling head; the power mechanism is used for synchronously driving the plurality of sampling heads to enter positions with different depths in the sample cup; the adjusting mechanism is in driving connection with the power mechanism and used for synchronously adjusting the depth positions of the plurality of sampling heads in the sample cup, the adjusting mechanism also comprises a suction and discharge unit, the suction and discharge unit comprises a cylinder body, a piston rod and a reciprocating mechanism used for driving the piston rod to move, the sampling unit is arranged, the sampling unit can be used for sampling a plurality of depths in the sample cup at one time, and the depth is adjustable; be equipped with and inhale the row unit, realize in step with the sample by a plurality of sampling heads, inhale the pipe and inhale in the cylinder body, then discharge by the discharge pipe and detect convenient and practical to sample suction volume keeps unanimous and steerable, satisfies more user demands.
Description
Technical Field
The invention relates to the technical field of food detection, in particular to a sampling device and a sampling method for food detection.
Background
The food detection takes a product as a main line and comprises the steps of food sensory detection, the quality detection of milk and dairy products, the quality detection of beverage products, the quality detection of wine products, the quality detection of vegetable oil and the quality detection of meat and egg products;
when carrying out the sample detection to liquid food such as soup, or the water that contains the additive etc. often need artificial manual to liquid food ladling a quantitative and monitor, perhaps adopt the reagent straw to absorb a quantitative, can only obtain a sample of a degree of depth like this to the sampling degree of depth can't adjust, can't satisfy more and more user demands.
Disclosure of Invention
The invention aims to provide a sampling device and a sampling method for food detection, which aim to solve the problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a sampling device for food detection, comprising a mounting frame, a sample cup and a sampling unit, the sampling unit comprising:
the sampling head is positioned above the sampling cup and is used for collecting a sample in the sampling cup;
the power mechanism is used for synchronously driving the plurality of sampling heads to enter positions with different depths in the sample cup;
and the adjusting mechanism is in driving connection with the power mechanism and is used for synchronously adjusting the depth positions of the plurality of sampling heads in the sample cup.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: power unit includes first power supply, first carousel, first connecting rod and installation pole, first power supply is installed on the slider, and slider slidable mounting is on the mounting bracket, and the slider is connected in the adjustment mechanism drive, install first carousel on the output shaft of first power supply, same position eccentric hinge has many first connecting rods on the first carousel, and the quantity of first connecting rod equals and the one-to-one with the quantity of sampling head, and the one end that first carousel was kept away from to first connecting rod articulates there is the installation pole, and the vertical interval of many installation poles sets up, the sampling head is installed in the one end that the first connecting rod was kept away from to the installation pole, installs the guide that is used for carrying out the motion direction to the installation pole in the frame.
In one alternative: the adjusting mechanism comprises a second power source, a second rotary table and a second connecting rod, the second power source is installed on the installation frame, the second rotary table is installed on an output shaft of the second power source, the second rotary table is eccentrically hinged to the second connecting rod, and one end, far away from the second rotary table, of the second connecting rod is hinged to the sliding piece.
In one alternative: still including inhaling the row unit, inhale the row unit and include cylinder body, piston rod and be used for driving the reciprocating mechanism of piston rod motion, the quantity of cylinder body is equal and the one-to-one with the quantity of sampling head, is connected with the suction tube on the cylinder body, and the suction tube is connected with the sampling head, still is connected with the discharge pipe on the cylinder body, all installs the check valve on suction tube and the discharge pipe, is equipped with the piston in the cylinder body, is connected with the piston rod on the piston, and the piston rod is connected in the reciprocating mechanism drive.
In one alternative: reciprocating mechanism includes third power supply, third carousel and movable rod, the third power supply is installed on the mounting bracket, installs the third carousel on the output shaft of third power supply, and one side that the third power supply was kept away from to the third carousel is equipped with the movable rod, and the guide post is worn to be equipped with at the movable rod both ends, the eccentric pin that is fixed with on the third carousel, set up the logical groove that supplies the pin to insert and move about on the movable rod, the movable rod is connected with the piston rod.
In one alternative: still including the workstation with be used for driving workstation intermittent rotation's actuating mechanism, a plurality of standing grooves that are used for holding the sample cup are seted up to the radial equidistance on the workstation, the workstation is installed in installation epaxially, the installation axle is installed on the mounting panel, and actuating mechanism connects between mounting panel and installation axle, its drive connection installation axle.
In one alternative: the mounting panel is installed on the output shaft of fourth power supply, the one end of keeping away from the workstation on the mounting panel is installed and is washd the case.
In one alternative: the sample cup feeding device is characterized by further comprising a feeding unit, the outer side of the placing groove is provided with an opening, the feeding unit comprises a feeding conveying belt, a pushing part and a feeding assembly, the feeding conveying belt is located on one side of a feeding station of the workbench, the feeding assembly is in driving connection with the pushing part, and the feeding assembly is used for driving the pushing part to push a sample cup to be detected on the feeding conveying belt into the placing groove of the workbench.
In one alternative: still including the unloading unit, the unloading unit includes power spare, drive shaft, ejector pin and unloading conveyer belt, the unloading conveyer belt is located unloading station one side of workstation, and power spare is installed in the frame and is located the workstation top, installs the drive shaft on the output shaft of power spare, keep away from the one end of power spare in the drive shaft and install the ejector pin, the ejector pin is the L type.
Compared with the prior art, the invention has the following beneficial effects:
1. the sampling device for food detection provided by the invention is provided with the sampling unit, and the sampling unit comprises: the sampling head is positioned above the sampling cup and is used for collecting a sample in the sampling cup; the power mechanism is used for synchronously driving the plurality of sampling heads to enter positions with different depths in the sample cup; the adjusting mechanism is in driving connection with the power mechanism and is used for synchronously adjusting the depth positions of the plurality of sampling heads in the sample cup; the sampling device is characterized in that a sample is placed in a sample cup, then a plurality of sampling heads are synchronously driven by a power mechanism to enter the sample cup, when the depth position needs to be adjusted, the power mechanism is driven by an adjusting mechanism to synchronously adjust the depth positions of the plurality of sampling heads in the sample cup, so that sampling with various depths in the sample cup can be carried out at one time, and the sampling efficiency is improved;
2. be equipped with and inhale the row unit, inhale the row unit and include cylinder body, piston rod and be used for driving the reciprocating mechanism of piston rod motion, reciprocating mechanism includes third power supply, third carousel and movable rod, and the piston rod is connected in the reciprocating mechanism drive, drives many piston rod synchronous motion through reciprocating mechanism, and the piston rod drives the piston and passes through the motion, can realize in step absorbing the sample in the cylinder body by a plurality of sampling heads, suction pipe, then discharge by the discharge pipe and detect, convenient and practical to the sample suction volume keeps unanimous and steerable, satisfies more user demands.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a driving mechanism in an embodiment of the invention.
Fig. 3 is a schematic structural diagram of another embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a further embodiment of the present invention.
Notations for reference numerals:
1-mounting frame, 2-fourth power source, 3-mounting plate, 4-cleaning box, 5-driving mechanism, 6-mounting shaft, 7-workbench, 8-sample cup, 9-sampling head, 10-mounting rod, 11-guiding member, 12-second rotary table, 13-second connecting rod, 14-first rotary table, 15-sliding member, 16-first connecting rod, 17-third rotary table, 18-guiding column, 19-movable rod, 20-piston rod, 21-cylinder body, 22-discharging pipe, 23-piston, 24-suction pipe, 25-pushing member, 26-feeding assembly, 27-feeding conveyor belt, 28-power member, 29-driving shaft and 30-pushing rod.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.
It will be understood that when an element is referred to herein as being "connected," "connected," or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. Conversely, if a unit is referred to herein as being "directly connected" or "directly coupled" to another unit, it is intended that no intervening units are present. In addition, other words used to describe the relationship between elements should be interpreted in a similar manner (e.g., "between … …" versus "directly between … …", "adjacent" versus "directly adjacent", etc.).
Referring to fig. 1-2, in one embodiment of the present invention, a sampling device for food inspection comprises a mounting frame 1, a sample cup 8 and a sampling unit, wherein the sampling unit comprises:
the sampling head 9 is positioned above the sampling cup and is used for collecting the sample in the sample cup 8;
the power mechanism is used for synchronously driving the plurality of sampling heads 9 to enter positions with different depths in the sample cup 8;
the adjusting mechanism is in driving connection with the power mechanism and is used for synchronously adjusting the depth positions of the plurality of sampling heads 9 in the sample cup 8;
during operation, pack the sample into sample cup 8 in, then through a plurality of sampling heads of power unit synchro-driven 9 get into sample cup 8 in, when needing the adjustment degree of depth position, through adjustment mechanism drive power unit, the sampling of a plurality of sampling heads 9 multiple degree of depth in sample cup 8 can once carry out, has improved sampling efficiency.
In an embodiment of the invention, the power mechanism includes a first power source, a first rotary table 14, a first connecting rod 16 and a mounting rod 10, the first power source is mounted on a sliding member 15, the first power source is preferably a motor, the sliding member 15 is slidably mounted on the mounting frame 1, an adjusting mechanism drives the sliding member 15, the first rotary table 14 is mounted on an output shaft of the first power source, a plurality of first connecting rods 16 are eccentrically hinged to the same position on the first rotary table 14, the number of the first connecting rods 16 is equal to and one-to-one corresponding to the number of the sampling heads 9, the mounting rod 10 is hinged to one end of the first connecting rod 16 far away from the first rotary table 14, the plurality of mounting rods 10 are vertically arranged at intervals, the sampling heads 9 are mounted on one end of the mounting rod 10 far away from the first connecting rod 16, a guide 11 for guiding the movement of the mounting rod 10 is mounted on the frame, the first rotary table 14 is driven to rotate by the first power source, first carousel 14 drives installation pole 10 downstream through first connecting rod 16, installation pole 10 drives sampling head 9 downstream, because the difference in the position of many installation poles 10 and first carousel 14, make many mounting panels 3 downstream's distance different, thereby make sampling head 9's descending distance different, and then can carry out the sampling of different degree of depth, it is further, power unit can also be many electric putter, cooperation constitutions such as hydraulic stem, only need more the control unit to control relatively, and electric putter, structures such as hydraulic stem are more complicated, need more production relatively, the maintenance cost, thereby the power unit of preferred embodiment.
In an embodiment of the present invention, the adjusting mechanism includes a second power source, a second rotary table 12 and a second connecting rod 13, the second power source is preferably a motor, the second rotary table 12 is mounted on an output shaft of the second power source, the second connecting rod 13 is eccentrically hinged on the second rotary table 12, one end of the second connecting rod 13 away from the second rotary table 12 is hinged to a sliding member 15, the second power source drives the second rotary table 12 to rotate, the second rotary table 12 drives the sliding member 15 to move through the second connecting rod 13, the sliding member 15 drives the first rotary table 14 to move, the relative position of the first rotary table 14 and the mounting rod 10 is further adjusted, the sampling depth of the plurality of sampling heads 9 is further adjusted, so as to meet more diversified use requirements, further, the adjusting mechanism may be a screw rod driving structure, an electric push rod, etc., and can drive the sliding member 15 to move, and are not intended to be limiting.
In an embodiment of the invention, the device further comprises a suction and discharge unit, the suction and discharge unit comprises a cylinder 21, pistons 23, piston rods 20 and a reciprocating mechanism for driving the piston rods 20 to move, the number of the cylinder 21 is equal to and one-to-one corresponding to the number of the sampling heads 9, the cylinder 21 is connected with a suction pipe 24, the suction pipe 24 is connected with the sampling heads 9, the cylinder 21 is also connected with a discharge pipe 22, the suction pipe 24 and the discharge pipe 22 are both provided with a one-way valve, the cylinder 21 is internally provided with the pistons 23, the pistons 23 are connected with the piston rods 20, the reciprocating mechanism drives the piston rods 20 to move synchronously, the piston rods 20 drive the pistons 23 to move synchronously, samples can be synchronously sucked into the cylinder 21 from the sampling heads 9 and the suction pipes 24 and then discharged from the discharge pipe 22 for detection, the device is convenient and practical, the suction amount of the samples is kept consistent and controllable, and more use requirements are met.
In an embodiment of the present invention, the reciprocating mechanism includes a third power source, a third rotating disc 17 and a movable rod 19, the third power source is installed on the mounting frame 1, the third power source is preferably a motor, the third rotating disc 17 is installed on an output shaft of the third power source, the movable rod 19 is installed on one side of the third rotating disc 17 away from the third power source, guide posts 18 are penetrated through two ends of the movable rod 19, a pin is eccentrically fixed on the third rotating disc 17, a through groove for the pin to be inserted and to move is formed on the movable rod 19, the movable rod 19 is connected with the piston rod 20, the third rotating disc 17 is driven to rotate by the third power source, the pin on the third rotating disc 17 revolves, the pin moves in the through groove to drive the movable rod 19, the movable rod 19 drives the plurality of piston rods 20 to move synchronously, further, the reciprocating mechanism may be a reciprocating screw rod structure, a slider-crank mechanism, etc., the piston rod 20 can be driven to move without limitation.
In an embodiment of the present invention, the present invention further includes a workbench 7 and a driving mechanism 5 for driving the workbench 7 to rotate intermittently, the driving mechanism 5 is preferably a geneva mechanism, a plurality of placing slots for accommodating the sample cups 8 are formed on the workbench 7 at equal intervals in the circumferential direction, the number of radial slots on a driven geneva of the geneva mechanism is equal to the number of the placing slots, the workbench 7 is mounted on a mounting shaft 6, the mounting shaft 6 is mounted on the mounting plate 3, the driving mechanism 5 is connected between the mounting plate 3 and the mounting shaft 6 and is in driving connection with the mounting shaft 6, the driving mechanism 5 can also be a structure in which a motor is matched with a gear pair, a belt, a chain, etc., and the motor is controlled to rotate intermittently by using the existing electric control technology.
In an embodiment of the present invention, the mounting plate 3 is mounted on an output shaft of the fourth power source 2, the fourth power source 2 is preferably a motor, the cleaning box 4 is mounted at one end of the mounting plate 3 away from the worktable 7, after sampling is finished, the cleaning box 4 on the mounting plate 3 is driven by the fourth power source 2 to rotate to a sampling station, so that the sampling head 9 descends to enter the cleaning box 4, and then the suction and discharge unit works to suck and discharge clean water, clean the sampling head 9, the pipeline, the cylinder 21, and the like, and avoid affecting subsequent sampling work.
In another embodiment of the invention, as shown in fig. 3, the loading unit is further included, the outer side of the placement groove is open, the loading unit includes a loading conveyor belt 27, a pushing element 25 and a feeding assembly 26, the loading conveyor belt 27 is located on one side of the loading station of the workbench 7, the feeding assembly 26 is connected to the pushing element 25 in a driving manner, and is used for driving the pushing element 25 to push the sample cup 8 to be detected on the loading conveyor belt 27 into the placement groove of the workbench 7, the loading conveyor belt 27 conveys the sample cup 8 to be detected to one side of the loading station and then stops, the pushing element 25 pushes the sample cup 8 to be detected into the placement groove, the feeding assembly 26 may be an electric push rod or a hydraulic rod, the loading conveyor belt 27 is started again to convey the next sample cup 8 to be detected to one side of the loading station, and automatic loading is performed, so that the working efficiency is improved.
In still another embodiment of the present invention, as shown in fig. 4, the present invention further includes a blanking unit, the blanking unit includes a power component 28, a driving shaft 29, a push-out rod 30 and a blanking conveyor belt, the blanking conveyor belt is located on one side of the blanking station of the workbench 7, the power component 28 is mounted on the frame and located above the workbench 7, the power component 28 is preferably a motor, the driving shaft 29 is mounted on an output shaft of the power component 28, the push-out rod 30 is mounted on one end of the driving shaft 29 away from the power component 28, the push-out rod 30 is L-shaped, the power component 28 drives the driving shaft 29 to rotate, the driving shaft 29 drives the push-out rod 30 to rotate, and the detected sample cup 8 is pushed out of the placing groove and moved to the blanking conveyor belt in the rotating process of the push-out rod 30 for transmission, so as to perform automatic blanking, and improve the working efficiency.
The working principle of the invention is as follows: the sample is put into the sample cup 8, the feeding conveyor belt 27 is placed at equal intervals, the feeding conveyor belt 27 conveys the sample cup 8 to be tested to one side of a feeding station and stops, the pushing element 25 pushes the sample cup 8 to be tested into the placing groove, the driving mechanism 5 drives the workbench 7 and the sample cup 8 thereon to rotate to the sampling station, namely below the sampling head 9, the feeding conveyor belt 27 is started again to convey the next sample cup 8 to be tested to one side of the feeding station, the first rotary disc 14 is driven to rotate by a first power source, the first rotary disc 14 drives the mounting rod 10 to move downwards by the first connecting rod 16, the mounting rod 10 drives the sampling head 9 to move downwards, due to the difference of the positions of the mounting rods 10 and the first rotary disc 14, the downward movement distances of the mounting plates 3 are different, so that the descending distances of the sampling head 9 are different, and further the sampling at different depths can be carried out, the second power source drives the second rotary table 12 to rotate, the second rotary table 12 drives the sliding part 15 to move through the second connecting rod 13, the sliding part 15 drives the first rotary table 14 to move, the relative position of the first rotary table 14 and the installation rod 10 is further adjusted, the sampling depth of a plurality of sampling heads 9 is further adjusted, more diversified use requirements are met, a plurality of piston rods 20 are driven to synchronously move through the reciprocating mechanism, the piston rods 20 drive the pistons 23 to move, samples can be synchronously sucked into the cylinder body 21 through the plurality of sampling heads 9 and the suction pipe 24 and then are discharged through the discharge pipe 22 to be detected, the sampling device is convenient and practical, the sample suction amount is kept consistent and controllable, more use requirements are met, after sampling is finished, the driving mechanism 5 drives the detected sample cup 8 to rotate to a blanking station, the power part 28 drives the driving shaft 29 to rotate, the driving shaft 29 drives the push-out rod 30 to rotate, the sample cup 8 that will detect will be pushed out the standing groove and remove to the unloading conveyer belt in the rotation process of ejector pin 30, conveys, and degree of automation is high, has improved work efficiency.
In summary, the sampling device for food detection provided by the present invention is provided with a sampling unit, and the sampling unit includes: the sampling head is positioned above the sampling cup and is used for collecting a sample in the sampling cup; the power mechanism is used for synchronously driving the plurality of sampling heads to enter positions with different depths in the sample cup; the adjusting mechanism is in driving connection with the power mechanism and is used for synchronously adjusting the depth positions of the plurality of sampling heads in the sample cup; the sampling device is characterized in that a sample is placed in a sample cup, then a plurality of sampling heads are synchronously driven by a power mechanism to enter the sample cup, when the depth position needs to be adjusted, the power mechanism is driven by an adjusting mechanism to synchronously adjust the depth positions of the plurality of sampling heads in the sample cup, so that sampling with various depths in the sample cup can be carried out at one time, and the sampling efficiency is improved;
through being equipped with the suction unit, the suction unit includes cylinder body, piston rod and is used for driving the reciprocating mechanism of piston rod motion, reciprocating mechanism includes third power supply, third carousel and movable rod, and the piston rod is connected in the reciprocating mechanism drive, drives many piston rod synchronous motion through reciprocating mechanism, and the piston rod drives the piston and passes through the motion, can realize in step absorbing the sample by a plurality of sampling heads, suction tube in the cylinder body, then discharge by the discharge pipe and detect, convenient and practical to the sample suction volume keeps unanimous and steerable, satisfies more user demands.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: modifications may be made to the embodiments described above, or equivalents may be substituted for some of the features described. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a be used for food detection to use sampling device, includes mounting bracket, sample cup and sampling unit, its characterized in that, sampling unit includes:
the sampling head is positioned above the sampling cup and is used for collecting a sample in the sampling cup;
the power mechanism is used for synchronously driving the plurality of sampling heads to enter positions with different depths in the sample cup; and
and the adjusting mechanism is in driving connection with the power mechanism and is used for synchronously adjusting the depth positions of the plurality of sampling heads in the sample cup.
2. The sampling device for food detection as recited in claim 1, wherein the power mechanism includes a first power source, a first rotary table, a first connecting rod and a mounting rod, the first power source is mounted on the sliding member, the sliding member is slidably mounted on the mounting frame, the sliding member is connected to the driving of the adjusting mechanism, the first rotary table is mounted on the output shaft of the first power source, a plurality of first connecting rods are eccentrically hinged to the same position on the first rotary table, the number of the first connecting rods is equal to that of the sampling heads and corresponds to that of the sampling heads one by one, the mounting rod is hinged to one end of the first connecting rod far away from the first rotary table, the mounting rods are vertically spaced, the sampling heads are mounted at one end of the mounting rod far away from the first connecting rod, and a guide member for guiding the mounting rods in a movement manner is mounted on the frame.
3. The sampling device for food detection as recited in claim 2, wherein the adjustment mechanism comprises a second power source, a second rotary table and a second connecting rod, the second power source is mounted on the mounting frame, the second rotary table is mounted on an output shaft of the second power source, the second connecting rod is eccentrically hinged to the second rotary table, and one end of the second connecting rod, which is far away from the second rotary table, is hinged to the sliding member.
4. The sampling device for food detection according to claim 1, further comprising a suction and discharge unit, wherein the suction and discharge unit comprises a cylinder, a piston rod and a reciprocating mechanism for driving the piston rod to move, the number of the cylinder is equal to the number of the sampling heads and corresponds to the number of the sampling heads one by one, the cylinder is connected with a suction pipe, the suction pipe is connected with the sampling heads, the cylinder is further connected with a discharge pipe, the suction pipe and the discharge pipe are both provided with a check valve, the piston is arranged in the cylinder, the piston is connected with the piston rod, and the reciprocating mechanism is connected with the piston rod in a driving manner.
5. The sampling device for food detection according to claim 4, wherein the reciprocating mechanism comprises a third power source, a third turntable and a movable rod, the third power source is mounted on the mounting frame, the third turntable is mounted on an output shaft of the third power source, the movable rod is arranged on one side, away from the third power source, of the third turntable, guide posts are arranged at two ends of the movable rod in a penetrating manner, pins are eccentrically and fixedly arranged on the third turntable, through grooves for the pins to be inserted and to move are formed in the movable rod, and the movable rod is connected with the piston rod.
6. The sampling device for food detection according to claim 1, further comprising a working platform and a driving mechanism for driving the working platform to rotate intermittently, wherein a plurality of placing slots for accommodating the sample cups are formed in the working platform at equal intervals in a circumferential direction, the working platform is mounted on a mounting shaft, the mounting shaft is mounted on the mounting plate, and the driving mechanism is connected between the mounting plate and the mounting shaft and is in driving connection with the mounting shaft.
7. The sampling device for food detection according to claim 6, wherein the mounting plate is mounted on an output shaft of a fourth power source, and a cleaning tank is mounted on an end of the mounting plate away from the working table.
8. The sampling device for food detection according to claim 6, further comprising a feeding unit, wherein the placing groove is open at an outer side, the feeding unit comprises a feeding conveyor belt, a pushing member and a feeding assembly, the feeding conveyor belt is located on one side of the feeding station of the workbench, and the feeding assembly is in driving connection with the pushing member and used for driving the pushing member to push the sample cup to be detected on the feeding conveyor belt into the placing groove of the workbench.
9. The sampling device for food detection as defined in claim 1, further comprising a blanking unit, wherein the blanking unit comprises a power member, a driving shaft, a push-out rod and a blanking conveyor belt, the blanking conveyor belt is located on one side of the blanking station of the workbench, the power member is mounted on the frame and located above the workbench, the driving shaft is mounted on an output shaft of the power member, the push-out rod is mounted at one end of the driving shaft, which is far away from the power member, and the push-out rod is L-shaped.
10. A sampling method for a sampling device for food detection according to any one of claims 1 to 9, characterized by the steps of:
loading the sample into a sample cup;
starting a power mechanism, synchronously driving a plurality of sampling heads to enter positions with different depths in the sample cup for sampling;
the power mechanism is driven by the adjusting mechanism, and the depth positions of the sampling heads in the sample cup are synchronously adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116136464A (en) * | 2023-04-18 | 2023-05-19 | 江苏大学 | Vinegar fermentation degree detection device |
| CN116296603A (en) * | 2023-05-15 | 2023-06-23 | 佛山市稚蒙环境科技有限公司 | Fluid sampling method and sampler using same |
| CN116380536A (en) * | 2023-05-26 | 2023-07-04 | 成都工业职业技术学院 | Railway engineering manages sampling tool |
| CN117554116A (en) * | 2024-01-11 | 2024-02-13 | 山东天合堂食品股份有限公司 | Fresh fish ball food detection sampling device |
| CN117817050A (en) * | 2024-03-05 | 2024-04-05 | 靖江市东达新能源科技有限公司 | Aluminum shell cutting device for producing battery aluminum shells |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116136464A (en) * | 2023-04-18 | 2023-05-19 | 江苏大学 | Vinegar fermentation degree detection device |
| CN116296603A (en) * | 2023-05-15 | 2023-06-23 | 佛山市稚蒙环境科技有限公司 | Fluid sampling method and sampler using same |
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| CN116380536A (en) * | 2023-05-26 | 2023-07-04 | 成都工业职业技术学院 | Railway engineering manages sampling tool |
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| CN117554116A (en) * | 2024-01-11 | 2024-02-13 | 山东天合堂食品股份有限公司 | Fresh fish ball food detection sampling device |
| CN117554116B (en) * | 2024-01-11 | 2024-04-02 | 山东天合堂食品股份有限公司 | Fresh fish ball food detection sampling device |
| CN117817050A (en) * | 2024-03-05 | 2024-04-05 | 靖江市东达新能源科技有限公司 | Aluminum shell cutting device for producing battery aluminum shells |
| CN117817050B (en) * | 2024-03-05 | 2024-05-28 | 靖江市东达新能源科技有限公司 | Aluminum shell cutting device for producing battery aluminum shells |
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